Pope County Bridge Report Card
Pope County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Pope County, Illinois
Pope County has 87 bridges in the National Bridge Inventory, with 4 rated poor and 0 rated scour-critical. Its poor-condition share of 4.6% is at or below the 9.5% statewide average. Poor-condition bridges carry about 2,800 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Pope County a Bridge Condition Exposure Score of 85/100 (B). The county has 87 bridges in the National Bridge Inventory, including 4 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 2,800 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 4.6% | 9.2 |
| Poor-condition traffic exposure | 25 | 7.2% of measured traffic | 5.4 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 42 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 38,989 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 4.6% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 42 years |
| Poor-Condition Traffic Exposure | 2,800 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Pope County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ill 145 over Hayes Creek | Poor condition + traffic exposure | Poor | 1,200 | 1947 |
| Ill 145 over Stream | Poor condition + traffic exposure | Poor | 1,150 | 1947 |
| Ill 147-fas 932 over Cnic Rr | Poor condition + traffic exposure | Poor | 400 | 1941 |
| Tr 84 over Bay Creek Ditch | Poor condition + traffic exposure | Poor | 50 | 1986 |
| Ill 34 over Gibbons Creek | High traffic | Fair | 2,350 | 1924 |
| Ill 34 over Trib To Gibbon Creek | High traffic | Good | 2,350 | 1991 |
| Ill 34-fap 778 over Unnamed Stream | High traffic | Good | 2,350 | 2011 |
| Ill 146 over Lusk Creek | High traffic | Fair | 2,150 | 1964 |
| Ill 145 over Hills Branch | High traffic | Fair | 1,750 | 1932 |
| Ill 145 over Bay Creek Ditch | High traffic | Fair | 1,750 | 1982 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.